calcAge

a character or character vector specifying birthday or base date.

birthday

a character or character vector specifying target date.

targetdate

a character specifying unit for calculating the difference between the two dates. Values of "year", "month" and "day" are supported.

unit


This function calculate the difference between two date in terms of unit of time, and age can be obtained when &#145;year&#146; is specified as unit argument.


Provides flexible model fitting used in epidemiological data
analysis by a unified model specification, along with some data manipulation
functions. This package covers fitting of variety models including Cox
regression models, linear regression models, Poisson regression models, logistic
models and others whose likelihood is expressed in negative binomial, gamma and
Weibull distributions.

calcAge: Calculate the difference between two date in terms of unit of time.

Description

Usage

Arguments

Value

Examples